diff --git a/du8/Makefile b/du8/Makefile
index 2e32c1f..355f24f 100644
--- a/du8/Makefile
+++ b/du8/Makefile
@@ -1,10 +1,9 @@
 CC=gcc
-CFLAGS=-Wall -std=c99
+CFLAGS=-Wall -std=c99 -g
+OBJS=main.o game.o world.o
 
-all: game
-
-game: main.o game.o world.o
-	$(CC) $(CFLAGS) -o game main.o game.o world.o -lncurses
+game: $(OBJS)
+	$(CC) $(CFLAGS) $(OBJS) -lncurses -o game
 
 main.o: main.c game.h world.h
 	$(CC) $(CFLAGS) -c main.c
diff --git a/du8/world.h b/du8/world.h
index 73be057..28fe3d4 100644
--- a/du8/world.h
+++ b/du8/world.h
@@ -1,13 +1,13 @@
 #ifndef _WORLD_H_
 #define _WORLD_H_
 
-#include <curses.h>
+#include <ncurses.h>
 
 /**
  * World represented as a rectangular matrix of colorful characters.
- * 
+ *
  * Point [0,0] is displayed the upper left corner of the screen.
- * 
+ *
  */
 
 enum event_type {
@@ -67,7 +67,7 @@ struct event {
 
 /**
  * Sets cell to a state.
- * @param event 
+ * @param event
  * @param x coordinate of cell
  * @param y coordinate of cell
  * @param new state of the cell